sea cucumber

American  

noun

1. any echinoderm of the class Holothuroidea, having a long, leathery body with tentacles around the anterior end.

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sea cucumber British  

noun

1. any echinoderm of the class Holothuroidea, having an elongated body covered with a leathery skin and bearing a cluster of tentacles at the oral end. They usually creep on the sea bed or burrow in sand

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sea cucumber Scientific  

1. See holothurian

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Etymology

Origin of sea cucumber

First recorded in 1595–1605

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Example Sentences

See Examples For:

sea cucumber

On the Carpinteria Reef, commercial fishers target crab, lobster, sea urchin, sea cucumber and, farther out, fish, including halibut, said Dave Colker, executive director of Ventura County Commercial Fishermen’s Assn.

From Los Angeles Times ● Oct. 19, 2026

There's a bone-white lobster, suctioned up for examination at the surface, and a horned sea cucumber whose mast-like spikes collapse into black spaghetti when it arrives on the ship.

From Barron's ● Jan. 26, 2026

At Wing, he serves sea cucumber inside a crispy spring roll, dramatically sliced tableside with a Chinese cleaver.

From The Wall Street Journal ● Oct. 18, 2025

She also posted another video where she appeared to be at a buffet with her teammate Hailey Baptiste, with the two making fun of a sea cucumber dish.

From BBC ● Sep. 17, 2025

My attention span and my motivation rank up there with that of a sea cucumber.

From "Challenger Deep" by Neal Shusterman

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